/**
 * Created by lpf on 2016/11/23 15:15.
 */
function accAdd(arg1, arg2) {
    //小数加法
    var r1, r2, m, c;

    try {
        r1 = arg1.toString().split(".")[1].length
    } catch (e) {
        r1 = 0
    }

    try {
        r2 = arg2.toString().split(".")[1].length
    } catch (e) {
        r2 = 0
    }

    c = Math.abs(r1 - r2);
    m = Math.pow(10, Math.max(r1, r2))
    if (c > 0) {
        var cm = Math.pow(10, c);
        if (r1 > r2) {
            arg1 = Number(arg1.toString().replace(".", ""));
            arg2 = Number(arg2.toString().replace(".", "")) * cm;
        }
        else {
            arg1 = Number(arg1.toString().replace(".", "")) * cm;
            arg2 = Number(arg2.toString().replace(".", ""));
        }
    }
    else {
        arg1 = Number(arg1.toString().replace(".", ""));
        arg2 = Number(arg2.toString().replace(".", ""));
    }
    return (arg1 + arg2) / m

}
function accSub(arg1, arg2) {
    //小数减法
    var r1, r2, m, n;
    try {
        r1 = arg1.toString().split(".")[1].length
    } catch (e) {
        r1 = 0
    }
    try {
        r2 = arg2.toString().split(".")[1].length
    } catch (e) {
        r2 = 0
    }
    m = Math.pow(10, Math.max(r1, r2));
    //last modify by deeka
    //动态控制精度长度
    n = (r1 >= r2) ? r1 : r2;
    return ((arg1 * m - arg2 * m) / m).toFixed(n);
}
function accMul(arg1, arg2) {
    //小数乘法
    var m = 0, s1 = arg1.toString(), s2 = arg2.toString();

    try {
        m += s1.split(".")[1].length
    } catch (e) {
    }

    try {
        m += s2.split(".")[1].length
    } catch (e) {
    }

    return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m)

}

function accDiv(arg1, arg2) {
    //小数除法
    var t1 = 0, t2 = 0, r1, r2;

    try {
        t1 = arg1.toString().split(".")[1].length
    } catch (e) {
    }

    try {
        t2 = arg2.toString().split(".")[1].length
    } catch (e) {
    }

    with (Math) {

        r1 = Number(arg1.toString().replace(".", ""))

        r2 = Number(arg2.toString().replace(".", ""))

        return (r1 / r2) * pow(10, t2 - t1);

    }

}